Birthday Sluts

Little Richard (78)
Knut (4)
Ross Bagley (22)
Frankie Muniz (25)
Keri Hilson (28)
Nick Stahl (31)
Amy Acker (34)
Paula Patton (35)
Shalom Harlow (37)
Kali Rocha (39)
Margaret Cho (42)
Lisa Marie (42)
Gary Allan (43)
John Rzeznik (45)
Brian Backer (54)
Morgan Brittany (59)
Jim Messina (63)
Jose Carreras (64)
Joan Didion (76)

Source:
http://www.dlisted.com/node/39852